Visual adjustments to "Add fileld type" modal

• Type: Story
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: Master
• Component/s: Forms
• Labels:
  • fw_test_not_needed
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/31933

The purpose of this story is to improve the visual of the "Add field type" modal.

This fix includes:

• Last field types should be centralized in the last row
• Modal dialog should be centralized in the portlet view
• Visual CSS styling according to https://projects.invisionapp.com/d/main#/console/4500582/101214171/preview